 /*******************************************************************************
  * Copyright (c) 2000, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  * Kiryl Kazakevich, Intel - bug 88359
  *******************************************************************************/
 package org.eclipse.ui.internal;

 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
 import org.eclipse.core.runtime.preferences.DefaultScope;
 import org.eclipse.core.runtime.preferences.IEclipsePreferences;
 import org.eclipse.core.runtime.preferences.IScopeContext;
 import org.eclipse.core.runtime.preferences.InstanceScope;
 import org.eclipse.core.runtime.preferences.IEclipsePreferences.NodeChangeEvent;
 import org.eclipse.ui.IWorkbenchPreferenceConstants;
 import org.eclipse.ui.keys.IBindingService;
 import org.osgi.service.prefs.BackingStoreException;

 /**
  * Implementation of the UI plugin's preference extension's customization
  * element. This is needed in order to force the UI plugin's preferences to be
  * initialized properly when running without
  * org.eclipse.core.runtime.compatibility. For more details, see bug 58975 - New
  * preference mechanism does not properly initialize defaults.
  *
  * @since 3.0
  */
 public class UIPreferenceInitializer extends AbstractPreferenceInitializer {

     
      
     public void initializeDefaultPreferences() {

         
         IScopeContext context = new DefaultScope();
         IEclipsePreferences node = context.getNode(UIPlugin.getDefault()
                 .getBundle().getSymbolicName());
         node.put(IWorkbenchPreferenceConstants.OPEN_NEW_PERSPECTIVE,
                 IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);

         // Deprecated but kept for backwards compatibility
 node.put(IWorkbenchPreferenceConstants.PROJECT_OPEN_NEW_PERSPECTIVE,
                 IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);
         node.put(IWorkbenchPreferenceConstants.SHIFT_OPEN_NEW_PERSPECTIVE,
                 IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);
         node.put(IWorkbenchPreferenceConstants.ALTERNATE_OPEN_NEW_PERSPECTIVE,
                 IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);

         // Although there is no longer any item on the preference pages
 // for setting the linking preference, since it is now a per-part
 // setting, it remains as a preference to allow product overrides of the
 // initial state of linking in the Navigator. By default, linking is
 // off.
 node.putBoolean(IWorkbenchPreferenceConstants.LINK_NAVIGATOR_TO_EDITOR,
                 false);

         // Appearance / Presentation preferences
 node.put(IWorkbenchPreferenceConstants.PRESENTATION_FACTORY_ID,
                 IWorkbenchConstants.DEFAULT_PRESENTATION_ID);
         node
                 .putBoolean(
                         IWorkbenchPreferenceConstants.SHOW_TRADITIONAL_STYLE_TABS,
                         true);
         node.putBoolean(IWorkbenchPreferenceConstants.ENABLE_ANIMATIONS, true);
         node.put(IWorkbenchPreferenceConstants.DOCK_PERSPECTIVE_BAR,
                 IWorkbenchPreferenceConstants.TOP_LEFT);
         node.putBoolean(
                 IWorkbenchPreferenceConstants.SHOW_TEXT_ON_PERSPECTIVE_BAR,
                 true);

         // the fast view bar should be on the bottom of a fresh workspace
 node.put(IWorkbenchPreferenceConstants.INITIAL_FAST_VIEW_BAR_LOCATION,
                 IWorkbenchPreferenceConstants.BOTTOM);

         // default to showing intro on startup
 node.putBoolean(IWorkbenchPreferenceConstants.SHOW_INTRO, true);

         // Default to the standard key configuration.
 node.put(IWorkbenchPreferenceConstants.KEY_CONFIGURATION_ID,
                 IBindingService.DEFAULT_DEFAULT_ACTIVE_SCHEME_ID);

         // Preference for showing system jobs in the jobs view
 node.putBoolean(IWorkbenchPreferenceConstants.SHOW_SYSTEM_JOBS, false);

         // The default minimum character width for editor tabs is undefined
 // (i.e., -1)
 node
                 .putInt(
                         IWorkbenchPreferenceConstants.EDITOR_MINIMUM_CHARACTERS,
                         -1);

         // The default minimum character width for view tabs is 1
 node.putInt(IWorkbenchPreferenceConstants.VIEW_MINIMUM_CHARACTERS, 1);

         // Default for closing editors on exit.
 node.putBoolean(IWorkbenchPreferenceConstants.CLOSE_EDITORS_ON_EXIT,
                 false);

         // Default for using window working sets
 node
                 .putBoolean(
                         IWorkbenchPreferenceConstants.USE_WINDOW_WORKING_SET_BY_DEFAULT,
                         false);

         // Default for showing filter text widget that determines what is shown
 // in a FilteredTree
 node
                 .putBoolean(IWorkbenchPreferenceConstants.SHOW_FILTERED_TEXTS,
                         true);

         // Default for enabling detached views
 node.putBoolean(IWorkbenchPreferenceConstants.ENABLE_DETACHED_VIEWS,
                 true);

         // Default for prompting for save when saveables are still held on to by other parts
 node.putBoolean(IWorkbenchPreferenceConstants.PROMPT_WHEN_SAVEABLE_STILL_OPEN,
                 true);

         // Default the min/max behaviour to the old (3.2) style
 node.putBoolean(IWorkbenchPreferenceConstants.ENABLE_NEW_MIN_MAX, true);
         
         // By default the Fast View Bar allows to select a new fast view from the view list
 node.putBoolean(IWorkbenchPreferenceConstants.DISABLE_NEW_FAST_VIEW, false);
         
         // Default the sticky view close behaviour to the new style
 node.putBoolean(IWorkbenchPreferenceConstants.ENABLE_32_STICKY_CLOSE_BEHAVIOR, false);

         IEclipsePreferences rootNode = (IEclipsePreferences) Platform
                 .getPreferencesService().getRootNode()
                 .node(InstanceScope.SCOPE);

         final String uiName = UIPlugin.getDefault().getBundle()
                 .getSymbolicName();
         try {
             if (rootNode.nodeExists(uiName)) {
                 ((IEclipsePreferences) rootNode.node(uiName))
                         .addPreferenceChangeListener(PlatformUIPreferenceListener
                                 .getSingleton());
             }
         } catch (BackingStoreException e) {
             IStatus status = new Status(IStatus.ERROR, UIPlugin.getDefault()
                     .getBundle().getSymbolicName(), IStatus.ERROR, e
                     .getLocalizedMessage(), e);
             UIPlugin.getDefault().getLog().log(status);
         }

         rootNode
                 .addNodeChangeListener(new IEclipsePreferences.INodeChangeListener() {
                     /*
                      * (non-Javadoc)
                      *
                      * @see org.eclipse.core.runtime.preferences.IEclipsePreferences.INodeChangeListener#added(org.eclipse.core.runtime.preferences.IEclipsePreferences.NodeChangeEvent)
                      */
                     public void added(NodeChangeEvent event) {
                         if (!event.getChild().name().equals(uiName)) {
                             return;
                         }
                         ((IEclipsePreferences) event.getChild())
                                 .addPreferenceChangeListener(PlatformUIPreferenceListener
                                         .getSingleton());

                     }

                     /*
                      * (non-Javadoc)
                      *
                      * @see org.eclipse.core.runtime.preferences.IEclipsePreferences.INodeChangeListener#removed(org.eclipse.core.runtime.preferences.IEclipsePreferences.NodeChangeEvent)
                      */
                     public void removed(NodeChangeEvent event) {
                         // Nothing to do here

                     }

                 });
     }

 }

